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video: bridge: tc358768: convert to use of_graph

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Use OF graph parsing helpers to get linked panel.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
This commit is contained in:
Svyatoslav Ryhel
2025-02-21 13:29:43 +02:00
parent 44144f1ba9
commit 82424ce784
1 changed files with 25 additions and 4 deletions
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29
drivers/video/bridge/tc358768.c
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@@ -6,6 +6,7 @@
#include <clk.h>
#include <dm.h>
#include <dm/ofnode_graph.h>
#include <i2c.h>
#include <log.h>
#include <mipi_display.h>
@@ -877,6 +878,26 @@ static int tc358768_panel_timings(struct udevice *dev,
return 0;
}
static int tc358768_get_panel(struct udevice *dev)
{
struct tc358768_priv *priv = dev_get_priv(dev);
int i, ret;
u32 num = ofnode_graph_get_port_count(dev_ofnode(dev));
for (i = 0; i < num; i++) {
ofnode remote = ofnode_graph_get_remote_node(dev_ofnode(dev), i, -1);
ret = uclass_get_device_by_ofnode(UCLASS_PANEL, remote,
&priv->panel);
if (!ret)
return 0;
}
/* If this point is reached, no panels were found */
return -ENODEV;
}
static int tc358768_setup(struct udevice *dev)
{
struct tc358768_priv *priv = dev_get_priv(dev);
@@ -893,11 +914,10 @@ static int tc358768_setup(struct udevice *dev)
return ret;
}
ret = uclass_get_device_by_phandle(UCLASS_PANEL, dev,
"panel", &priv->panel);
ret = tc358768_get_panel(dev);
if (ret) {
log_debug("%s: Cannot get panel: ret=%d\n", __func__, ret);
return log_ret(ret);
log_debug("%s: panel not found, ret %d\n", __func__, ret);
return ret;
}
panel_get_display_timing(priv->panel, &priv->timing);
@@ -976,6 +996,7 @@ U_BOOT_DRIVER(tc358768) = {
.id = UCLASS_VIDEO_BRIDGE,
.of_match = tc358768_ids,
.ops = &tc358768_ops,
.bind = dm_scan_fdt_dev,
.probe = tc358768_probe,
.priv_auto = sizeof(struct tc358768_priv),
};